<template>
  <div class="cart">
    <h4>全部商品</h4>
    <div class="cart-main">
      <div class="cart-th">
        <div class="cart-th1">全部</div>
        <div class="cart-th2">商品</div>
        <div class="cart-th3">单价（元）</div>
        <div class="cart-th4">数量</div>
        <div class="cart-th5">小计（元）</div>
        <div class="cart-th6">操作</div>
      </div>
      <div class="cart-body">
        <div>
          <ul class="cart-list">
            <li class="cart-list-con1">
              <input type="checkbox" name="chk_list" />
            </li>
            <li class="cart-list-con2">
              <img :src="`/images` + cartList.simage" alt="" />
              <div class="item-msg">
                {{ cartList.sname }}
              </div>
            </li>

            <li class="cart-list-con4">
              <span class="price">{{ cartList.sdiscount }}.00</span>
            </li>
            <!-- <li class="cart-list-con5">
              <a
                href="javascript:void(0)"
                class="mins"
                @click="handler('minus', -1, cartList)"
                >-</a
              >
              <input
                autocomplete="off"
                type="text"
                minnum="1"
                class="itxt"
                value="1"
                @click="handler('change', $event.target.value * 1, cartList)"
              />
              <a
                href="javascript:void(0)"
                class="plus"
                @click="handler('add', 1, cartList)"
                >+</a
              >
            </li> -->
            <li class="cart-list-con5">
              <a
                href="javascript:"
                class="mins"
                @click="skuNum > 1 ? skuNum-- : (skuNum = 1)"
                >-</a
              >
              <input
                autocomplete="off"
                type="text"
                class="itxt"
                v-model="skuNum"
                @change="changeSkuNum"
              />
              <a href="javascript:" class="plus" @click="skuNum++">+</a>
            </li>
            <li class="cart-list-con6">
              <span class="sum">{{ cartList.sdiscount }}</span>
            </li>
            <li class="cart-list-con7">
              <a href="#none" class="sindelet">删除</a>
              <br />
              <a href="#none">移到收藏</a>
            </li>
          </ul>
        </div>
      </div>
    </div>
    <div class="cart-tool">
      <div class="select-all">
        <input class="chooseAll" type="checkbox" />
        <span>全选</span>
      </div>
      <div class="option">
        <a href="#none">删除选中的商品</a>
        <a href="#none">移到我的关注</a>
        <a href="#none">清除下柜商品</a>
      </div>
      <div class="money-box">
        <div class="chosed">已选择 <span>0</span>件商品</div>
        <div class="sumprice">
          <em>总价（不含运费） ：</em>
          <i class="summoney">0</i>
        </div>
        <div class="sumbtn">
          <!-- <a class="sum-btn" href="trade">结算</a> -->

          <router-link to="/trade">结算</router-link>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapGetters } from "vuex";
export default {
  name: "ShopCart",
  data() {
    return {
      skuNum: 1,
    };
  },

  mounted() {
    this.getData();
  },

  methods: {
    //表单元素修改产品个数
    changeSkuNum(event) {
      //用户输入进来的文本
      let value = event.target.value * 1;
      //如果用户输入进来的非法,出现NAN或者小于1
      if (isNaN(value) || value < 1) {
        this.skuNum = 1;
      } else {
        this.skuNum = parseInt(value);
      }
    },
    //获取个人购物车数据
    getData() {
      this.$store.dispatch("getCartList");
    },
    //修改某一个产品的个数
    async handler(type, disNum) {
      //type:为了区分这三个元素
      //disNum:+变化量，-变化量，input最终个数
      //cart:哪一个产品身上有id
      //向服务器发请求
      switch (type) {
        case "add":
          disNum = 1;
          break;
        case "minus":
          if (cart.skuNum > 1) {
            //产品的个数大于1，才可以传递给服务器
            disNum = cart.skuNum > 1 ? -1 : 0;
            break;
          }
        case "change":
          //用户输入的最终量，非法的（带有汉字），带给服务器数字
          if (isNaN(disNum) || disNum < 1) {
            disNum = 0;
          } else {
            disNum = parseInt(disNum - cart.skuNum);
          }
          break;
      }
      try {
        await this.$store.dispatch("addOrUpdateShopCart", {
          sid: this.cart.sid,
          skuNum: disNum,
        });

        this.getData();
      } catch (error) {}
    },
  },
  computed: {
    //购物车数据
    ...mapGetters(["cartList"]),
    skuInfo() {
      return JSON.parse(sessionStorage.getItem("SKUINFO"));
    },
  },
};
</script>

<style lang="less" scoped>
.cart {
  width: 1200px;
  margin: 0 auto;

  h4 {
    margin: 9px 0;
    font-size: 14px;
    line-height: 21px;
  }

  .cart-main {
    .cart-th {
      background: #f5f5f5;
      border: 1px solid #ddd;
      padding: 10px;
      overflow: hidden;

      & > div {
        float: left;
      }

      .cart-th1 {
        width: 25%;

        input {
          vertical-align: middle;
        }

        span {
          vertical-align: middle;
        }
      }

      .cart-th2 {
        width: 25%;
      }

      .cart-th3,
      .cart-th4,
      .cart-th5,
      .cart-th6 {
        width: 12.5%;
      }
    }

    .cart-body {
      margin: 15px 0;
      border: 1px solid #ddd;

      .cart-list {
        padding: 10px;
        border-bottom: 1px solid #ddd;
        overflow: hidden;

        & > li {
          float: left;
        }

        .cart-list-con1 {
          width: 15%;
        }

        .cart-list-con2 {
          width: 35%;

          img {
            width: 82px;
            height: 82px;
            float: left;
          }

          .item-msg {
            float: left;
            width: 150px;
            margin: 0 10px;
            line-height: 18px;
          }
        }

        .cart-list-con4 {
          width: 10%;
        }

        .cart-list-con5 {
          width: 17%;

          .mins {
            border: 1px solid #ddd;
            border-right: 0;
            float: left;
            color: #666;
            width: 6px;
            text-align: center;
            padding: 8px;
          }

          input {
            border: 1px solid #ddd;
            width: 40px;
            height: 33px;
            float: left;
            text-align: center;
            font-size: 14px;
          }

          .plus {
            border: 1px solid #ddd;
            border-left: 0;
            float: left;
            color: #666;
            width: 6px;
            text-align: center;
            padding: 8px;
          }
        }

        .cart-list-con6 {
          width: 10%;

          .sum {
            font-size: 16px;
          }
        }

        .cart-list-con7 {
          width: 13%;

          a {
            color: #666;
          }
        }
      }
    }
  }

  .cart-tool {
    overflow: hidden;
    border: 1px solid #ddd;

    .select-all {
      padding: 10px;
      overflow: hidden;
      float: left;

      span {
        vertical-align: middle;
      }

      input {
        vertical-align: middle;
      }
    }

    .option {
      padding: 10px;
      overflow: hidden;
      float: left;

      a {
        float: left;
        padding: 0 10px;
        color: #666;
      }
    }

    .money-box {
      float: right;

      .chosed {
        line-height: 26px;
        float: left;
        padding: 0 10px;
      }

      .sumprice {
        width: 200px;
        line-height: 22px;
        float: left;
        padding: 0 10px;

        .summoney {
          color: #c81623;
          font-size: 16px;
        }
      }

      .sumbtn {
        float: right;

        a {
          display: block;
          position: relative;
          width: 96px;
          height: 52px;
          line-height: 52px;
          color: #fff;
          text-align: center;
          font-size: 18px;
          font-family: "Microsoft YaHei";
          background: #e1251b;
          overflow: hidden;
        }
      }
    }
  }
}
</style>